package com.suixingpay.demo.controller;

import java.text.SimpleDateFormat;
import java.util.Date;

/**
 * @author noisy
 */
public class dateTest {



    public static void main(String[] args) {


        String str = "1234567890";
        System.out.println(str.substring(0,3));
        System.out.println(str.substring(str.length()-4));

    }
}
